<div class="one">
    <div class="demonstration">
        <div>病历示范一</div>
        <div>病历示范二</div>
        <div>病历示范三</div>
        <div>病历示范四</div>
        <div>病历示范五</div>
    </div>
    <div class="operation">
        <div>
            <div><button class="btn btn-default" type="button" id="avatar99BtnId">上传病历一</button></div>
            <div id="avatar99PreId"></div>
        </div>
        <div>
            <div><button class="btn btn-default" type="button" id="avatar98BtnId">上传病历二</button></div>
            <div id="avatar98PreId"></div>
        </div>
        <div>
            <div><button class="btn btn-default" type="button" id="avatar97BtnId">上传病历三</button></div>
            <div id="avatar97PreId"></div>
        </div>
        <div>
            <div><button class="btn btn-default" type="button" id="avatar96BtnId">上传病历四</button></div>
            <div id="avatar96PreId"></div>
        </div>
        <div>
            <div><button class="btn btn-default" type="button" id="avatar95BtnId">上传病历五</button></div>
            <div id="avatar95PreId"></div>
        </div>
    </div>
</div>